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Dallas → Seattle

Dec 21, 2026 · return Dec 25, 2026

DFW → SEA1 adulteconomyRound trip

12 flight options · 5 airlines

Nonstop flights

Mon, Dec 21 – Fri, Dec 25

Alaska Airlines
2:25 pmDFW
4h 31m
Nonstop
4:56 pmSEA
Alaska Airlines
12:37 amSEA
3h 52m
Nonstop
6:29 amDFW

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Fri, Dec 25

American Airlines
12:32 pmDFW
4h 25m
Nonstop
2:57 pmSEA
American Airlines
12:25 amSEA
3h 53m
Nonstop
6:18 amDFW

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Fri, Dec 25

Delta Air Lines
6:30 amDFW
4h 33m
Nonstop
9:03 amSEA
Delta Air Lines
5:59 pmSEA
3h 54m
Nonstop
11:53 pmDFW

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Fri, Dec 25

Alaska Airlines
6:20 pmDFW
4h 36m
Nonstop
8:56 pmSEA
Alaska Airlines
12:37 amSEA
3h 52m
Nonstop
6:29 amDFW

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Fri, Dec 25

American Airlines
7:07 amDFW
4h 28m
Nonstop
9:35 amSEA
American Airlines
12:25 amSEA
3h 53m
Nonstop
6:18 amDFW

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Fri, Dec 25

Delta Air Lines
5:00 pmDFW
4h 34m
Nonstop
7:34 pmSEA
Delta Air Lines
5:59 pmSEA
3h 54m
Nonstop
11:53 pmDFW

Round-trip total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 – Fri, Dec 25

Frontier Airlines
10:45 amDFW
6h 37m
DEN · 1h 6m
3:22 pmSEA
Frontier Airlines
4:37 pmSEA
5h 47m
DEN · 1h 1m
12:24 am+1DFW

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Fri, Dec 25

United Airlines
8:37 amDFW
6h 58m
DEN · 1h 37m
1:35 pmSEA
United Airlines
1:02 pmSEA
5h 45m
DEN · 1h
8:47 pmDFW

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Fri, Dec 25

Alaska Airlines
2:15 pmDFW
6h 30m
PDX · 1h 14m
6:45 pmSEA
Alaska Airlines
12:37 amSEA
3h 52m
Nonstop
6:29 amDFW

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Fri, Dec 25

American Airlines
5:04 pmDFW
6h 36m
DEN · 1h 10m
9:40 pmSEA
American Airlines
12:25 amSEA
3h 53m
Nonstop
6:18 amDFW

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Fri, Dec 25

American Airlines
10:14 amDFW
6h 38m
GEG · 1h 29m
2:52 pmSEA
American Airlines
12:25 amSEA
3h 53m
Nonstop
6:18 amDFW

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Fri, Dec 25

American Airlines
5:35 pmDFW
6h 53m
BOI · 1h 41m
10:28 pmSEA
American Airlines
12:25 amSEA
3h 53m
Nonstop
6:18 amDFW

Round-trip total · 1 adult · Taxes included

Make this trip yours

DFW ⇄ SEA

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

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Why book with Axel
  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, Alaska Airlines emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
  • Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
  • Not satisfied? Full refund.If you are unhappy with the experience for any reason, or simply change your mind, cancel within 24 hours of booking (departure 7+ days away) and we refund you in full. We stand by our product. Cancellation policy
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Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About

More dates

All dates for this routeNov 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 2026 · One way
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-21 → 2026-12-25Alaska AirlinesAS321 / AS424$490.002026-10-29T01:08:01Z
2026-12-21 → 2026-12-25American AirlinesAA757 / AA1835$511.002026-10-29T01:08:01Z
2026-12-21 → 2026-12-25Delta Air LinesDL804 / DL870$525.002026-10-29T01:08:01Z
2026-12-21 → 2026-12-25Frontier AirlinesF91323 + F94545 / F91916 + F92632$287.002026-10-29T01:08:01Z
2026-12-21 → 2026-12-25United AirlinesUA644 + UA2302 / UA1411 + UA1565$490.002026-10-29T01:08:01Z
2026-12-21 → 2026-12-25Alaska AirlinesAS322 / AS424$490.002026-10-29T01:08:01Z
2026-12-21 → 2026-12-25American AirlinesAA707 / AA1835$511.002026-10-29T01:08:01Z
2026-12-21 → 2026-12-25Delta Air LinesDL803 / DL870$525.002026-10-29T01:08:01Z
2026-12-21 → 2026-12-25Alaska AirlinesAS539 + AS2240 / AS424$476.002026-10-29T01:08:01Z
2026-12-21 → 2026-12-25American AirlinesAA1322 + AS421 / AA1835$490.002026-10-29T01:08:01Z
2026-12-21 → 2026-12-25American AirlinesAA2856 + AS2087 / AA1835$490.002026-10-29T01:08:01Z
2026-12-21 → 2026-12-25American AirlinesAA1089 + AS2016 / AA1835$490.002026-10-29T01:08:01Z

2026-12-21 → 2026-12-25 · $490.00

  • Alaska Airlines AS321: DFW 2026-12-21 14:25:00 → SEA 2026-12-21 16:56:00; nonstop; 271 minutes. Local airport times.
  • Alaska Airlines AS424: SEA 2026-12-25 00:37:00 → DFW 2026-12-25 06:29:00; nonstop; 232 minutes. Local airport times.

2026-12-21 → 2026-12-25 · $511.00

  • American Airlines AA757: DFW 2026-12-21 12:32:00 → SEA 2026-12-21 14:57:00; nonstop; 265 minutes. Local airport times.
  • American Airlines AA1835: SEA 2026-12-25 00:25:00 → DFW 2026-12-25 06:18:00; nonstop; 233 minutes. Local airport times.

2026-12-21 → 2026-12-25 · $525.00

  • Delta Air Lines DL804: DFW 2026-12-21 06:30:00 → SEA 2026-12-21 09:03:00; nonstop; 273 minutes. Local airport times.
  • Delta Air Lines DL870: SEA 2026-12-25 17:59:00 → DFW 2026-12-25 23:53:00; nonstop; 234 minutes. Local airport times.

2026-12-21 → 2026-12-25 · $287.00

  • Frontier Airlines F91323 / F94545: DFW 2026-12-21 10:45:00 → SEA 2026-12-21 15:22:00; 1 stop(s) via DEN; 397 minutes. Local airport times.
    • F91323: DFW 2026-12-21 10:45:00 → DEN 2026-12-21 12:08:00; layover at DEN: 66 minutes.
    • F94545: DEN 2026-12-21 13:14:00 → SEA 2026-12-21 15:22:00.
  • Frontier Airlines F91916 / F92632: SEA 2026-12-25 16:37:00 → DFW 2026-12-26 00:24:00; 1 stop(s) via DEN; 347 minutes. Local airport times.
    • F91916: SEA 2026-12-25 16:37:00 → DEN 2026-12-25 20:25:00; layover at DEN: 61 minutes.
    • F92632: DEN 2026-12-25 21:26:00 → DFW 2026-12-26 00:24:00.

2026-12-21 → 2026-12-25 · $490.00

  • United Airlines UA644 / UA2302: DFW 2026-12-21 08:37:00 → SEA 2026-12-21 13:35:00; 1 stop(s) via DEN; 418 minutes. Local airport times.
    • UA644: DFW 2026-12-21 08:37:00 → DEN 2026-12-21 09:53:00; layover at DEN: 97 minutes.
    • UA2302: DEN 2026-12-21 11:30:00 → SEA 2026-12-21 13:35:00.
  • United Airlines UA1411 / UA1565: SEA 2026-12-25 13:02:00 → DFW 2026-12-25 20:47:00; 1 stop(s) via DEN; 345 minutes. Local airport times.
    • UA1411: SEA 2026-12-25 13:02:00 → DEN 2026-12-25 16:45:00; layover at DEN: 60 minutes.
    • UA1565: DEN 2026-12-25 17:45:00 → DFW 2026-12-25 20:47:00.

2026-12-21 → 2026-12-25 · $490.00

  • Alaska Airlines AS322: DFW 2026-12-21 18:20:00 → SEA 2026-12-21 20:56:00; nonstop; 276 minutes. Local airport times.
  • Alaska Airlines AS424: SEA 2026-12-25 00:37:00 → DFW 2026-12-25 06:29:00; nonstop; 232 minutes. Local airport times.

2026-12-21 → 2026-12-25 · $511.00

  • American Airlines AA707: DFW 2026-12-21 07:07:00 → SEA 2026-12-21 09:35:00; nonstop; 268 minutes. Local airport times.
  • American Airlines AA1835: SEA 2026-12-25 00:25:00 → DFW 2026-12-25 06:18:00; nonstop; 233 minutes. Local airport times.

2026-12-21 → 2026-12-25 · $525.00

  • Delta Air Lines DL803: DFW 2026-12-21 17:00:00 → SEA 2026-12-21 19:34:00; nonstop; 274 minutes. Local airport times.
  • Delta Air Lines DL870: SEA 2026-12-25 17:59:00 → DFW 2026-12-25 23:53:00; nonstop; 234 minutes. Local airport times.

2026-12-21 → 2026-12-25 · $476.00

  • Alaska Airlines AS539 / AS2240: DFW 2026-12-21 14:15:00 → SEA 2026-12-21 18:45:00; 1 stop(s) via PDX; 390 minutes. Local airport times.
    • AS539: DFW 2026-12-21 14:15:00 → PDX 2026-12-21 16:31:00; layover at PDX: 74 minutes.
    • AS2240: PDX 2026-12-21 17:45:00 → SEA 2026-12-21 18:45:00.
  • Alaska Airlines AS424: SEA 2026-12-25 00:37:00 → DFW 2026-12-25 06:29:00; nonstop; 232 minutes. Local airport times.

2026-12-21 → 2026-12-25 · $490.00

  • American Airlines AA1322 / AS421: DFW 2026-12-21 17:04:00 → SEA 2026-12-21 21:40:00; 1 stop(s) via DEN; 396 minutes. Local airport times.
    • AA1322: DFW 2026-12-21 17:04:00 → DEN 2026-12-21 18:14:00; layover at DEN: 70 minutes.
    • AS421: DEN 2026-12-21 19:24:00 → SEA 2026-12-21 21:40:00.
  • American Airlines AA1835: SEA 2026-12-25 00:25:00 → DFW 2026-12-25 06:18:00; nonstop; 233 minutes. Local airport times.

2026-12-21 → 2026-12-25 · $490.00

  • American Airlines AA2856 / AS2087: DFW 2026-12-21 10:14:00 → SEA 2026-12-21 14:52:00; 1 stop(s) via GEG; 398 minutes. Local airport times.
    • AA2856: DFW 2026-12-21 10:14:00 → GEG 2026-12-21 12:12:00; layover at GEG: 89 minutes.
    • AS2087: GEG 2026-12-21 13:41:00 → SEA 2026-12-21 14:52:00.
  • American Airlines AA1835: SEA 2026-12-25 00:25:00 → DFW 2026-12-25 06:18:00; nonstop; 233 minutes. Local airport times.

2026-12-21 → 2026-12-25 · $490.00

  • American Airlines AA1089 / AS2016: DFW 2026-12-21 17:35:00 → SEA 2026-12-21 22:28:00; 1 stop(s) via BOI; 413 minutes. Local airport times.
    • AA1089: DFW 2026-12-21 17:35:00 → BOI 2026-12-21 20:06:00; layover at BOI: 101 minutes.
    • AS2016: BOI 2026-12-21 21:47:00 → SEA 2026-12-21 22:28:00.
  • American Airlines AA1835: SEA 2026-12-25 00:25:00 → DFW 2026-12-25 06:18:00; nonstop; 233 minutes. Local airport times.

More dates for this route